u-boot/arch/arm/dts/stm32f746-disco-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+

#include <stm32f7-u-boot.dtsi>
/{
	chosen {
		bootargs = "root=/dev/ram rdinit=/linuxrc";
	};

	aliases {
		/* Aliases for gpios so as to use sequence */
		gpio0 = &gpioa;
		gpio1 = &gpiob;
		gpio2 = &gpioc;
		gpio3 = &gpiod;
		gpio4 = &gpioe;
		gpio5 = &gpiof;
		gpio6 = &gpiog;
		gpio7 = &gpioh;
		gpio8 = &gpioi;
		gpio9 = &gpioj;
		gpio10 = &gpiok;
		mmc0 = &sdio1;
		spi0 = &qspi;
	};

	backlight: backlight {
		compatible = "gpio-backlight";
		gpios = <&gpiok 3 0>;
		status = "okay";
	};

	button1 {
		compatible = "st,button1";
		button-gpio = <&gpioi 11 0>;
	};

	led1 {
		compatible = "st,led1";
		led-gpio = <&gpioi 1 0>;
	};

	panel-rgb@0 {
		compatible = "simple-panel";
		backlight = <&backlight>;
		enable-gpios = <&gpioi 12 0>;
		status = "okay";

		display-timings {
			timing@0 {
				clock-frequency = <9000000>;
				hactive = <480>;
				vactive = <272>;
				hfront-porch = <2>;
				hback-porch = <2>;
				hsync-len = <41>;
				vfront-porch = <2>;
				vback-porch = <2>;
				vsync-len = <10>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <0>;
				pixelclk-active = <1>;
			};
		};
	};

	soc {
		ltdc: display-controller@40016800 {
			compatible = "st,stm32-ltdc";
			reg = <0x40016800 0x200>;
			resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
			clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
			pinctrl-0 = <&ltdc_pins>;

			status = "okay";
			u-boot,dm-pre-reloc;
		};
	};
};

&clk_hse {
	u-boot,dm-pre-reloc;
};

&fmc {
	/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
	bank1: bank@0 {
		u-boot,dm-pre-reloc;
		st,sdram-control = /bits/ 8 <NO_COL_8
					     NO_ROW_12
					     MWIDTH_16
					     BANKS_4
					     CAS_3
					     SDCLK_2
					     RD_BURST_EN
					     RD_PIPE_DL_0>;
		st,sdram-timing = /bits/ 8 <TMRD_2
					    TXSR_6
					    TRAS_4
					    TRC_6
					    TWR_2
					    TRP_2
					    TRCD_2>;
		/* refcount = (64msec/total_row_sdram)*freq - 20 */
		st,sdram-refcount = < 1542 >;
	};
};

&pinctrl {
	ethernet_mii: mii@0 {
		pins {
			pinmux = <STM32_PINMUX('G',13, AF11)>, /* ETH_RMII_TXD0 */
				 <STM32_PINMUX('G',14, AF11)>, /* ETH_RMII_TXD1 */
				 <STM32_PINMUX('G',11, AF11)>, /* ETH_RMII_TX_EN */
				 <STM32_PINMUX('A', 2, AF11)>, /* ETH_MDIO */
				 <STM32_PINMUX('C', 1, AF11)>, /* ETH_MDC */
				 <STM32_PINMUX('A', 1, AF11)>, /* ETH_RMII_REF_CLK */
				 <STM32_PINMUX('A', 7, AF11)>, /* ETH_RMII_CRS_DV */
				 <STM32_PINMUX('C', 4, AF11)>, /* ETH_RMII_RXD0 */
				 <STM32_PINMUX('C', 5, AF11)>; /* ETH_RMII_RXD1 */
			slew-rate = <2>;
		};
	};

	fmc_pins: fmc@0 {
		u-boot,dm-pre-reloc;
		pins {
			u-boot,dm-pre-reloc;
			pinmux = <STM32_PINMUX('D',10, AF12)>, /* D15 */
				 <STM32_PINMUX('D', 9, AF12)>, /* D14 */
				 <STM32_PINMUX('D', 8, AF12)>, /* D13 */
				 <STM32_PINMUX('E',15, AF12)>, /* D12 */
				 <STM32_PINMUX('E',14, AF12)>, /* D11 */
				 <STM32_PINMUX('E',13, AF12)>, /* D10 */
				 <STM32_PINMUX('E',12, AF12)>, /* D9 */
				 <STM32_PINMUX('E',11, AF12)>, /* D8 */
				 <STM32_PINMUX('E',10, AF12)>, /* D7 */
				 <STM32_PINMUX('E', 9, AF12)>, /* D6 */
				 <STM32_PINMUX('E', 8, AF12)>, /* D5 */
				 <STM32_PINMUX('E', 7, AF12)>, /* D4 */
				 <STM32_PINMUX('D', 1, AF12)>, /* D3 */
				 <STM32_PINMUX('D', 0, AF12)>, /* D2 */
				 <STM32_PINMUX('D',15, AF12)>, /* D1 */
				 <STM32_PINMUX('D',14, AF12)>, /* D0 */

				 <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */
				 <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */

				 <STM32_PINMUX('G', 5, AF12)>, /* BA1 */
				 <STM32_PINMUX('G', 4, AF12)>, /* BA0 */

				 <STM32_PINMUX('G', 1, AF12)>, /* A11 */
				 <STM32_PINMUX('G', 0, AF12)>, /* A10 */
				 <STM32_PINMUX('F',15, AF12)>, /* A9 */
				 <STM32_PINMUX('F',14, AF12)>, /* A8 */
				 <STM32_PINMUX('F',13, AF12)>, /* A7 */
				 <STM32_PINMUX('F',12, AF12)>, /* A6 */
				 <STM32_PINMUX('F', 5, AF12)>, /* A5 */
				 <STM32_PINMUX('F', 4, AF12)>, /* A4 */
				 <STM32_PINMUX('F', 3, AF12)>, /* A3 */
				 <STM32_PINMUX('F', 2, AF12)>, /* A2 */
				 <STM32_PINMUX('F', 1, AF12)>, /* A1 */
				 <STM32_PINMUX('F', 0, AF12)>, /* A0 */

				 <STM32_PINMUX('H', 3, AF12)>, /* SDNE0 */
				 <STM32_PINMUX('H', 5, AF12)>, /* SDNWE */
				 <STM32_PINMUX('F',11, AF12)>, /* SDNRAS */
				 <STM32_PINMUX('G',15, AF12)>, /* SDNCAS */
				 <STM32_PINMUX('C', 3, AF12)>, /* SDCKE0 */
				 <STM32_PINMUX('G', 8, AF12)>; /* SDCLK> */
			slew-rate = <2>;
		};
	};

	ltdc_pins: ltdc@0 {
		pins {
			pinmux = <STM32_PINMUX('E', 4, AF14)>, /* B0 */
				 <STM32_PINMUX('G',12, AF14)>, /* B4 */
				 <STM32_PINMUX('I', 9, AF14)>, /* VSYNC */
				 <STM32_PINMUX('I',10, AF14)>, /* HSYNC */
				 <STM32_PINMUX('I',14, AF14)>, /* CLK */
				 <STM32_PINMUX('I',15, AF14)>, /* R0 */
				 <STM32_PINMUX('J', 0, AF14)>, /* R1 */
				 <STM32_PINMUX('J', 1, AF14)>, /* R2 */
				 <STM32_PINMUX('J', 2, AF14)>, /* R3 */
				 <STM32_PINMUX('J', 3, AF14)>, /* R4 */
				 <STM32_PINMUX('J', 4, AF14)>, /* R5 */
				 <STM32_PINMUX('J', 5, AF14)>, /* R6 */
				 <STM32_PINMUX('J', 6, AF14)>, /* R7 */
				 <STM32_PINMUX('J', 7, AF14)>, /* G0 */
				 <STM32_PINMUX('J', 8, AF14)>, /* G1 */
				 <STM32_PINMUX('J', 9, AF14)>, /* G2 */
				 <STM32_PINMUX('J',10, AF14)>, /* G3 */
				 <STM32_PINMUX('J',11, AF14)>, /* G4 */
				 <STM32_PINMUX('J',13, AF14)>, /* B1 */
				 <STM32_PINMUX('J',14, AF14)>, /* B2 */
				 <STM32_PINMUX('J',15, AF14)>, /* B3 */
				 <STM32_PINMUX('K', 0, AF14)>, /* G5 */
				 <STM32_PINMUX('K', 1, AF14)>, /* G6 */
				 <STM32_PINMUX('K', 2, AF14)>, /* G7 */
				 <STM32_PINMUX('K', 4, AF14)>, /* B5 */
				 <STM32_PINMUX('K', 5, AF14)>, /* B6 */
				 <STM32_PINMUX('K', 6, AF14)>, /* B7 */
				 <STM32_PINMUX('K', 7, AF14)>; /* DE */
			slew-rate = <2>;
		};
	};

	qspi_pins: qspi@0 {
		pins {
			pinmux = <STM32_PINMUX('B', 2, AF9)>, /* CLK */
				 <STM32_PINMUX('B', 6, AF10)>, /* BK1_NCS */
				 <STM32_PINMUX('D',11, AF9)>, /* BK1_IO0 */
				 <STM32_PINMUX('D',12, AF9)>, /* BK1_IO1 */
				 <STM32_PINMUX('D',13, AF9)>, /* BK1_IO3 */
				 <STM32_PINMUX('E', 2, AF9)>; /* BK1_IO2 */
			slew-rate = <2>;
		};
	};

	usart1_pins_b: usart1@1	{
		u-boot,dm-pre-reloc;
		pins1 {
			u-boot,dm-pre-reloc;
		};
		pins2 {
			u-boot,dm-pre-reloc;
		};
	};
};

&pwrcfg {
	u-boot,dm-pre-reloc;
};

&qspi {
	reg = <0xA0001000 0x1000>, <0x90000000 0x1000000>;
	qflash0: n25q128a {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <108000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		reg = <0>;
	};
};

&timer5 {
	u-boot,dm-pre-reloc;
};